/**
 * Copyright (C) 2017 - 2020 https://github.com/joewee
 * <p>
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.bifrost.repository;

import com.bifrost.entity.CountryArea;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.data.jpa.repository.Query;

import java.util.List;

/**
 * @author joewee
 * @version 1.0.0
 * @Date 2017/10/16 15:48
 */
public interface CountryAreaRepository extends JpaRepository<CountryArea, Long> {

    /**
     * 查询指定层级的地区1省2市3区
     *
     * @param depth
     * @return
     */
    List<CountryArea> findByDepth(Integer depth);

    /**
     * 查询所有直辖市
     *
     * @return
     */
    @Query(value = "SELECT  * FROM COUNTRY_AREA WHERE DEPTH= 2", nativeQuery = true)
    List<CountryArea> findMunicipality();

    /**
     * 查询指定省、市的下级
     *
     * @param parent
     * @return
     */
    @Query(value = "select c from CountryArea c where parent =?1 order by id")
    List<CountryArea> findAllByParent(CountryArea parent);
}
